科室管理BUG

src/app/views/office-management/office-management.component.html

@@ -92,7 +92,7 @@
           <nz-form-item>
             <nz-form-label [nzSm]="6" [nzXs]="24" nzFor="parentOfficeName">父级科室</nz-form-label>
             <nz-form-control nzErrorTip="请填写父级科室!">
-              <nz-select [nzDropdownMatchSelectWidth]="false" formControlName="parentOfficeName" nzShowSearch
+              <nz-select nzAllowClear [nzDropdownMatchSelectWidth]="false" formControlName="parentOfficeName" nzShowSearch
                 nzPlaceHolder="请填写父级科室" nzServerSearch (nzOnSearch)="changeInp($event)"
                 (nzOpenChange)="openDeptSelect($event)">
                 <ng-container *ngFor="let data of allParentdepart">